Granted Patent
Utility
US 5,346,493 · App. 08/105,281
Top-entry rod retainer
Inventors:
Terrence M. Stahurski, Marc A. Asher, William L. Carson, Walter E. Stripgen, Charles F. Heinig, Robert Gaines, Frank S. Janson
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Jul 30, 1993
Inventors
Terrence M. Stahurski
Marc A. Asher
William L. Carson
Walter E. Stripgen
Charles F. Heinig
Robert Gaines
Frank S. Janson
Assignee (at issue)
AcroMed Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.